McLean, Virginia Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
McLean weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast62%—96°74°—
- MondayJul 6Heavy Rain84%3.3″88°73°-8°
- TuesdayJul 7Light Showers84%0.01″82°72°-6°
- WednesdayJul 8Heavy Drizzle46%0.02″74°69°-8°
- ThursdayJul 9Overcast44%—88°69°+14°
- FridayJul 10Light Drizzle46%—86°73°-2°
- SaturdayJul 11Light Drizzle25%0.01″83°67°-3°
AQI 54 (Moderate), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 18.3 µg/m³ (AQI 68) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 18.3 µg/m³ (AQI 68) with a 0.98 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.98
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:25 PM
- Moonset
- 11:19 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
McLean at a glance
- Today vs. normal: 75°F — typical for the season
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 22101, 22102
15-Day Forecast — McLean
- Sun95°72°62%
- Mon88°73°84%
- Tue82°72°84%
- Wed74°69°46%
- Thu88°69°44%
- Fri86°73°46%
- Sat83°67°25%
- Sun80°71°26%
- Mon84°67°23%
- Tue86°67°13%
- Wed87°68°13%
- Thu94°72°26%
- Fri89°71°19%
- Sat90°71°32%
- Sun91°72°42%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near McLean
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — McLean
SPC has placed McLean in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in McLean
- 22046
- 22101
- 22043
- 22102
- 22067
- 22103
- 22106
- 22107
- 22108
- 22109